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Finding the Fourth Proportional to 9,071.48, 12,520.01 and 5,536.75

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Solution

The fourth proportional to 9,071.48, 12,520.01 and 5,536.75 is: 7,641.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,071.48 : 12,520.01 = 5,536.75 : x
  2. Step 2: Convert to fraction form
    9,071.48/12,520.01 = 5,536.75/x
  3. Step 3: Cross multiply
    9,071.48x = 12,520.01 × 5,536.75
  4. Step 4: Simplify right side
    9,071.48x = 69,320,147.91
  5. Step 5: Solve for x
    x = 69,320,147.91/9,071.48
  6. Step 6: Final answer
    x = 7,641.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.